Display case lock



FIG. 1 is a front perspective view of a display case lock, showing my new design;

FIG. 2 is a front elevation view;

FIG. 3 is a right side elevation view; the left side elevation view is omitted because it is identical to the right side elevation view;

FIG. 4 is a top plan view; the bottom plan view is omitted because it is identical to the top plan view;

FIG. 5 is a rear elevation view; and,

FIG. 6 is a perspective view showing the display case lock in a display case.

The broken lines showing in FIGS. 3, 4, and 5 are not considered part of the claimed invention.

The broken lines showing in FIG. 6 are included for the purpose of illustrating environmental structure only and form no part of the claimed invention. 

The ornamental design for a display case lock, as shown and described. 